A performance air filter ramps up performance, gives better airflow to the engine and a sportier sound to your engine. Regardless if you tune your car with any of our other products, it is a great enhancement to kick up more power. BSR’s performance air filter Optiflow is specially developed to give optimal air flow, combined with a shielding system that deflects radiant heat from the engine, creates a patented system for engine ventilation. BSR unique sport air filter system Optiflow™ is developed and patented by BSR. Each Optiflowproduct developed uniquely for the car model and engine options as it relates to and is fully adapted to the unique engine compartment. The system ensures "cold" and oxygen-rich air to the engine by shielding the engine's heat radiation and lead into the air against the filter. Optiflow™ consists of a sport air filter and a shielding shield that gives quicker throttle response and a sporty impression.